flash butt welding of 20 rail panels/free rail panel/2 rail panels/3 rail panels of all rail section(new/sh) at site (in situ/cess) using mobile flash butt welding plant in 3rd & 4th line of sarla-sason, brundamal-jharsuguda fly over, extension of dead end of r/5 at sarla upto sambalpur city to remove operational bottleneck & for additional two lines at godbhaga under the jurisdiction of dyce/c/ii/sbp, in 3rd & 4th line between jarpada to budhapank, mcrl phase-i inner corridor & mcl deposit work